Home / 328,985.48-454,020.94-185,693.24

Finding the Fourth Proportional to 328,985.48, 454,020.94 and 185,693.24

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Solution

The fourth proportional to 328,985.48, 454,020.94 and 185,693.24 is: 256,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,985.48 : 454,020.94 = 185,693.24 : x
  2. Step 2: Convert to fraction form
    328,985.48/454,020.94 = 185,693.24/x
  3. Step 3: Cross multiply
    328,985.48x = 454,020.94 × 185,693.24
  4. Step 4: Simplify right side
    328,985.48x = 84,308,619,376.45
  5. Step 5: Solve for x
    x = 84,308,619,376.45/328,985.48
  6. Step 6: Final answer
    x = 256,268.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.